51039080876 has 24 divisors (see below), whose sum is σ = 102088170240. Its totient is φ = 21871747152.

The previous prime is 51039080863. The next prime is 51039080921. The reversal of 51039080876 is 67808093015.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51039080876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220121 + ... + 387983.

It is an arithmetic number, because the mean of its divisors is an integer number (4253673760).

Almost surely, 2^51039080876 is an apocalyptic number.

It is an amenable number.

51039080876 is an abundant number, since it is smaller than the sum of its proper divisors (51049089364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51039080876 is a wasteful number, since it uses less digits than its factorization.

51039080876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178733 (or 178731 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 51039080876 in words is "fifty-one billion, thirty-nine million, eighty thousand, eight hundred seventy-six".